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#pragma once
#include "udf_type_size_check.h"
#include "udf_string_ref.h"
#include "udf_ptr.h"
#include <library/cpp/deprecated/enum_codegen/enum_codegen.h>
#include <util/generic/maybe.h>
#include <util/stream/output.h>
#include <functional>
namespace NYql {
namespace NUdf {
#define UDF_LOG(logger, component, level, msg) \
do { \
if ((logger) && (logger)->IsActive(component, level)) { \
(logger)->Log(component, level, msg); \
} \
} while (0)
#define UDF_LOG_IF(condition, logger, component, level, msg) \
do { \
if ((logger) && (condition) && (logger)->IsActive(component, level)) { \
(logger)->Log(component, level, msg); \
} \
} while (0)
#define UDF_LOG_LEVEL(XX) \
XX(Fatal, 0) \
XX(Error, 1) \
XX(Warn, 2) \
XX(Notice, 3) \
XX(Info, 4) \
XX(Debug, 5) \
XX(Trace, 6)
enum class ELogLevel : ui32 {
UDF_LOG_LEVEL(ENUM_VALUE_GEN)
};
inline bool IsLogLevelAllowed(ELogLevel message, ELogLevel threshold) {
return static_cast<ui32>(message) <= static_cast<ui32>(threshold);
}
TString LogLevelAvailables();
TStringBuf LevelToString(ELogLevel level);
TMaybe<ELogLevel> TryLevelFromString(TStringBuf str);
using TLogComponentId = ui32;
class ILogger : public IRefCounted {
public:
virtual TLogComponentId RegisterComponent(const TStringRef& component) = 0;
virtual void SetDefaultLevel(ELogLevel level) = 0;
virtual void SetComponentLevel(TLogComponentId component, ELogLevel level) = 0;
virtual bool IsActive(TLogComponentId component, ELogLevel level) const = 0;
virtual void Log(TLogComponentId component, ELogLevel level, const TStringRef& message) = 0;
};
using TLoggerPtr = TRefCountedPtr<ILogger>;
UDF_ASSERT_TYPE_SIZE(ILogger, 16);
class ILogProvider {
public:
virtual ~ILogProvider() = default;
virtual TLoggerPtr MakeLogger() const = 0;
};
UDF_ASSERT_TYPE_SIZE(ILogProvider, 8);
TLoggerPtr MakeNullLogger();
TLoggerPtr MakeSynchronizedLogger(const TLoggerPtr& inner);
using TLogProviderFunc = std::function<void(const TStringRef&, ELogLevel, const TStringRef&)>;
TUniquePtr<ILogProvider> MakeLogProvider(TLogProviderFunc func, TMaybe<ELogLevel> filter = Nothing());
} // namspace NUdf
} // namspace NYql
template<>
inline void Out<NYql::NUdf::ELogLevel>(IOutputStream &o, NYql::NUdf::ELogLevel value) {
o << NYql::NUdf::LevelToString(value);
}
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